cakephp2-php8/cake/console/libs/acl.php
2009-08-01 20:21:22 -04:00

560 lines
No EOL
17 KiB
PHP

<?php
/* SVN FILE: $Id$ */
/**
* Short description for file.
*
* Long description for file
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org)
* Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.console.libs
* @since CakePHP(tm) v 1.2.0.5012
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
App::import('Component', 'Acl');
App::import('Model', 'DbAcl');
/**
* Shell for ACL management.
*
* @package cake
* @subpackage cake.cake.console.libs
*/
class AclShell extends Shell {
/**
* Contains instance of AclComponent
*
* @var AclComponent
* @access public
*/
var $Acl;
/**
* Contains arguments parsed from the command line.
*
* @var array
* @access public
*/
var $args;
/**
* Contains database source to use
*
* @var string
* @access public
*/
var $dataSource = 'default';
/**
* Contains tasks to load and instantiate
*
* @var array
* @access public
*/
var $tasks = array('DbConfig');
/**
* Override startup of the Shell
*
* @access public
*/
function startup() {
$this->dataSource = 'default';
if (isset($this->params['datasource'])) {
$this->dataSource = $this->params['datasource'];
}
if (!in_array(Configure::read('Acl.classname'), array('DbAcl', 'DB_ACL'))) {
$out = "--------------------------------------------------\n";
$out .= __("Error: Your current Cake configuration is set to", true) . "\n";
$out .= __("an ACL implementation other than DB. Please change", true) . "\n";
$out .= __("your core config to reflect your decision to use", true) . "\n";
$out .= __("DbAcl before attempting to use this script", true) . ".\n";
$out .= "--------------------------------------------------\n";
$out .= sprintf(__("Current ACL Classname: %s", true), Configure::read('Acl.classname')) . "\n";
$out .= "--------------------------------------------------\n";
$this->err($out);
$this->_stop();
}
if ($this->command && !in_array($this->command, array('help'))) {
if (!config('database')) {
$this->out(__("Your database configuration was not found. Take a moment to create one.", true), true);
$this->args = null;
return $this->DbConfig->execute();
}
require_once (CONFIGS.'database.php');
if (!in_array($this->command, array('initdb'))) {
$this->Acl = new AclComponent();
$controller = null;
$this->Acl->startup($controller);
}
}
}
/**
* Override main() for help message hook
*
* @access public
*/
function main() {
$out = __("Available ACL commands:", true) . "\n";
$out .= "\t - create\n";
$out .= "\t - delete\n";
$out .= "\t - setParent\n";
$out .= "\t - getPath\n";
$out .= "\t - check\n";
$out .= "\t - grant\n";
$out .= "\t - deny\n";
$out .= "\t - inherit\n";
$out .= "\t - view\n";
$out .= "\t - initdb\n";
$out .= "\t - help\n\n";
$out .= __("For help, run the 'help' command. For help on a specific command, run 'help <command>'", true);
$this->out($out);
}
/**
* Creates an ARO/ACO node
*
* @access public
*/
function create() {
$this->_checkArgs(3, 'create');
$this->checkNodeType();
extract($this->__dataVars());
$class = ucfirst($this->args[0]);
$parent = $this->parseIdentifier($this->args[1]);
if (!empty($parent) && $parent != '/' && $parent != 'root') {
$parent = $this->_getNodeId($class, $parent);
} else {
$parent = null;
}
$data = $this->parseIdentifier($this->args[2]);
if (is_string($data) && $data != '/') {
$data = array('alias' => $data);
} elseif (is_string($data)) {
$this->error(__('/ can not be used as an alias!', true), __("\t/ is the root, please supply a sub alias", true));
}
$data['parent_id'] = $parent;
$this->Acl->{$class}->create();
if ($this->Acl->{$class}->save($data)) {
$this->out(sprintf(__("New %s '%s' created.\n", true), $class, $this->args[2]), true);
} else {
$this->err(sprintf(__("There was a problem creating a new %s '%s'.", true), $class, $this->args[2]));
}
}
/**
* Delete an ARO/ACO node.
*
* @access public
*/
function delete() {
$this->_checkArgs(2, 'delete');
$this->checkNodeType();
extract($this->__dataVars());
$identifier = $this->parseIdentifier($this->args[1]);
$nodeId = $this->_getNodeId($class, $identifier);
if (!$this->Acl->{$class}->delete($nodeId)) {
$this->error(__("Node Not Deleted", true), sprintf(__("There was an error deleting the %s. Check that the node exists", true), $class) . ".\n");
}
$this->out(sprintf(__("%s deleted", true), $class) . ".\n", true);
}
/**
* Set parent for an ARO/ACO node.
*
* @access public
*/
function setParent() {
$this->_checkArgs(3, 'setParent');
$this->checkNodeType();
extract($this->__dataVars());
$data = array(
$class => array(
'id' => $this->args[1],
'parent_id' => $this->args[2]
)
);
$this->Acl->{$class}->create();
if (!$this->Acl->{$class}->save($data)) {
$this->out(__("Error in setting new parent. Please make sure the parent node exists, and is not a descendant of the node specified.", true), true);
} else {
$this->out(sprintf(__("Node parent set to %s", true), $this->args[2]) . "\n", true);
}
}
/**
* Get path to specified ARO/ACO node.
*
* @access public
*/
function getPath() {
$this->_checkArgs(2, 'getPath');
$this->checkNodeType();
extract($this->__dataVars());
$id = ife(is_numeric($this->args[1]), intval($this->args[1]), $this->args[1]);
$nodes = $this->Acl->{$class}->getPath($id);
if (empty($nodes)) {
$this->error(sprintf(__("Supplied Node '%s' not found", true), $this->args[1]), __("No tree returned.", true));
}
for ($i = 0; $i < count($nodes); $i++) {
$this->out(str_repeat(' ', $i) . "[" . $nodes[$i][$class]['id'] . "]" . $nodes[$i][$class]['alias'] . "\n");
}
}
/**
* Check permission for a given ARO to a given ACO.
*
* @access public
*/
function check() {
$this->_checkArgs(3, 'check');
extract($this->__getParams());
if ($this->Acl->check($aro, $aco, $action)) {
$this->out(sprintf(__("%s is allowed.", true), $aro), true);
} else {
$this->out(sprintf(__("%s is not allowed.", true), $aro), true);
}
}
/**
* Grant permission for a given ARO to a given ACO.
*
* @access public
*/
function grant() {
$this->_checkArgs(3, 'grant');
extract($this->__getParams());
if ($this->Acl->allow($aro, $aco, $action)) {
$this->out(__("Permission granted.", true), true);
} else {
$this->out(__("Permission was not granted.", true), true);
}
}
/**
* Deny access for an ARO to an ACO.
*
* @access public
*/
function deny() {
$this->_checkArgs(3, 'deny');
extract($this->__getParams());
if ($this->Acl->deny($aro, $aco, $action)) {
$this->out(__("Permission denied.", true), true);
} else {
$this->out(__("Permission was not denied.", true), true);
}
}
/**
* Set an ARO to inhermit permission to an ACO.
*
* @access public
*/
function inherit() {
$this->_checkArgs(3, 'inherit');
extract($this->__getParams());
if ($this->Acl->inherit($aro, $aco, $action)) {
$this->out(__("Permission inherited.", true), true);
} else {
$this->out(__("Permission was not inherited.", true), true);
}
}
/**
* Show a specific ARO/ACO node.
*
* @access public
*/
function view() {
$this->_checkArgs(1, 'view');
$this->checkNodeType();
extract($this->__dataVars());
if (isset($this->args[1]) && !is_null($this->args[1])) {
$key = ife(is_numeric($this->args[1]), $secondary_id, 'alias');
$conditions = array($class . '.' . $key => $this->args[1]);
} else {
$conditions = null;
}
$nodes = $this->Acl->{$class}->find('all', array('conditions' => $conditions, 'order' => 'lft ASC'));
if (empty($nodes)) {
if (isset($this->args[1])) {
$this->error(sprintf(__("%s not found", true), $this->args[1]), __("No tree returned.", true));
} elseif (isset($this->args[0])) {
$this->error(sprintf(__("%s not found", true), $this->args[0]), __("No tree returned.", true));
}
}
$this->out($class . " tree:");
$this->hr();
$stack = array();
$last = null;
foreach ($nodes as $n) {
$stack[] = $n;
if (!empty($last)) {
$end = end($stack);
if ($end[$class]['rght'] > $last) {
foreach ($stack as $k => $v) {
$end = end($stack);
if ($v[$class]['rght'] < $end[$class]['rght']) {
unset($stack[$k]);
}
}
}
}
$last = $n[$class]['rght'];
$count = count($stack);
$indent = str_repeat(' ', $count);
if ($n[$class]['alias']) {
$this->out($indent . "[" . $n[$class]['id'] . "]" . $n[$class]['alias']."\n");
} else {
$this->out($indent . "[" . $n[$class]['id'] . "]" . $n[$class]['model'] . '.' . $n[$class]['foreign_key'] . "\n");
}
}
$this->hr();
}
/**
* Initialize ACL database.
*
* @access public
*/
function initdb() {
$this->Dispatch->args = array('schema', 'run', 'create', 'DbAcl');
$this->Dispatch->dispatch();
}
/**
* Show help screen.
*
* @access public
*/
function help() {
$head = __("Usage: cake acl <command> <arg1> <arg2>...", true) . "\n";
$head .= "-----------------------------------------------\n";
$head .= __("Commands:", true) . "\n\n";
$commands = array(
'create' => "\tcreate aro|aco <parent> <node>\n" .
"\t\t" . __("Creates a new ACL object <node> under the parent specified by <parent>, an id/alias.", true) . "\n" .
"\t\t" . __("The <parent> and <node> references can be in one of the following formats:", true) . "\n" .
"\t\t\t- " . __("<model>.<id> - The node will be bound to a specific record of the given model", true) . "\n" .
"\t\t\t- " . __("<alias> - The node will be given a string alias (or path, in the case of <parent>),", true) . "\n" .
"\t\t\t " . __("i.e. 'John'. When used with <parent>, this takes the form of an alias path,", true) . "\n" .
"\t\t\t " . __("i.e. <group>/<subgroup>/<parent>.", true) . "\n" .
"\t\t" . __("To add a node at the root level, enter 'root' or '/' as the <parent> parameter.", true) . "\n",
'delete' => "\tdelete aro|aco <node>\n" .
"\t\t" . __("Deletes the ACL object with the given <node> reference (see 'create' for info on node references).", true) . "\n",
'setparent' => "\tsetParent aro|aco <node> <parent>\n" .
"\t\t" . __("Moves the ACL object specified by <node> beneath the parent ACL object specified by <parent>.", true) . "\n" .
"\t\t" . __("To identify the node and parent, use the row id.", true) . "\n",
'getpath' => "\tgetPath aro|aco <node>\n" .
"\t\t" . __("Returns the path to the ACL object specified by <node>. This command", true) . "\n" .
"\t\t" . __("is useful in determining the inhertiance of permissions for a certain", true) . "\n" .
"\t\t" . __("object in the tree.", true) . "\n" .
"\t\t" . __("For more detailed parameter usage info, see help for the 'create' command.", true) . "\n",
'check' => "\tcheck <aro_id> <aco_id> [<aco_action>] " . __("or", true) . " all\n" .
"\t\t" . __("Use this command to check ACL permissions.", true) . "\n" .
"\t\t" . __("For more detailed parameter usage info, see help for the 'create' command.", true) . "\n",
'grant' => "\tgrant <aro_id> <aco_id> [<aco_action>] " . __("or", true) . " all\n" .
"\t\t" . __("Use this command to grant ACL permissions. Once executed, the ARO", true) . "\n" .
"\t\t" . __("specified (and its children, if any) will have ALLOW access to the", true) . "\n" .
"\t\t" . __("specified ACO action (and the ACO's children, if any).", true) . "\n" .
"\t\t" . __("For more detailed parameter usage info, see help for the 'create' command.", true) . "\n",
'deny' => "\tdeny <aro_id> <aco_id> [<aco_action>]" . __("or", true) . " all\n" .
"\t\t" . __("Use this command to deny ACL permissions. Once executed, the ARO", true) . "\n" .
"\t\t" . __("specified (and its children, if any) will have DENY access to the", true) . "\n" .
"\t\t" . __("specified ACO action (and the ACO's children, if any).", true) . "\n" .
"\t\t" . __("For more detailed parameter usage info, see help for the 'create' command.", true) . "\n",
'inherit' => "\tinherit <aro_id> <aco_id> [<aco_action>]" . __("or", true) . " all\n" .
"\t\t" . __("Use this command to force a child ARO object to inherit its", true) . "\n" .
"\t\t" . __("permissions settings from its parent.", true) . "\n" .
"\t\t" . __("For more detailed parameter usage info, see help for the 'create' command.", true) . "\n",
'view' => "\tview aro|aco [<node>]\n" .
"\t\t" . __("The view command will return the ARO or ACO tree. The optional", true) . "\n" .
"\t\t" . __("id/alias parameter allows you to return only a portion of the requested tree.", true) . "\n" .
"\t\t" . __("For more detailed parameter usage info, see help for the 'create' command.", true) . "\n",
'initdb' => "\tinitdb\n".
"\t\t" . __("Uses this command : cake schema run create DbAcl", true) . "\n",
'help' => "\thelp [<command>]\n" .
"\t\t" . __("Displays this help message, or a message on a specific command.", true) . "\n"
);
$this->out($head);
if (!isset($this->args[0])) {
foreach ($commands as $cmd) {
$this->out("{$cmd}\n\n");
}
} elseif (isset($commands[low($this->args[0])])) {
$this->out($commands[low($this->args[0])] . "\n\n");
} else {
$this->out(sprintf(__("Command '%s' not found", true), $this->args[0]));
}
}
/**
* Check that first argument specifies a valid Node type (ARO/ACO)
*
* @access public
*/
function checkNodeType() {
if (!isset($this->args[0])) {
return false;
}
if ($this->args[0] != 'aco' && $this->args[0] != 'aro') {
$this->error(sprintf(__("Missing/Unknown node type: '%s'", true), $this->args[1]), __('Please specify which ACL object type you wish to create.', true));
}
}
/**
* Checks that given node exists
*
* @param string $type Node type (ARO/ACO)
* @param integer $id Node id
* @return boolean Success
* @access public
*/
function nodeExists() {
if (!$this->checkNodeType() && !isset($this->args[1])) {
return false;
}
extract($this->__dataVars($this->args[0]));
$key = is_numeric($this->args[1]) ? $secondary_id : 'alias';
$conditions = array($class . '.' . $key => $this->args[1]);
$possibility = $this->Acl->{$class}->find('all', compact('conditions'));
if (empty($possibility)) {
$this->error(sprintf(__("%s not found", true), $this->args[1]), __("No tree returned.", true));
}
return $possibility;
}
/**
* Parse an identifier into Model.foriegnKey or an alias.
* Takes an identifier determines its type and returns the result as used by other methods.
*
* @param string $identifier Identifier to parse
* @return mixed a string for aliases, and an array for model.foreignKey
**/
function parseIdentifier($identifier) {
if (preg_match('/^([\w]+)\.(.*)$/', $identifier, $matches)) {
return array(
'model' => $matches[1],
'foreign_key' => $matches[2],
);
}
return $identifier;
}
/**
* Get the node for a given identifier. $identifier can either be a string alias
* or an array of properties to use in AcoNode::node()
*
* @param string $class Class type you want (Aro/Aco)
* @param mixed $identifier A mixed identifier for finding the node.
* @return int Integer of NodeId. Will trigger an error if nothing is found.
**/
function _getNodeId($class, $identifier) {
$node = $this->Acl->{$class}->node($identifier);
if (empty($node)) {
if (is_array($identifier)) {
$identifier = var_export($identifier, true);
}
$this->error(sprintf(__('Could not find node using reference "%s"', true), $identifier));
}
return Set::extract($node, "0.{$class}.id");
}
/**
* get params for standard Acl methods
*
* @return array aro, aco, action
* @access private
*/
function __getParams() {
$aro = ife(is_numeric($this->args[0]), intval($this->args[0]), $this->args[0]);
$aco = ife(is_numeric($this->args[1]), intval($this->args[1]), $this->args[1]);
if (is_string($aro) && preg_match('/^([\w]+)\.(.*)$/', $aro, $matches)) {
$aro = array(
'model' => $matches[1],
'foreign_key' => $matches[2],
);
}
if (is_string($aco) && preg_match('/^([\w]+)\.(.*)$/', $aco, $matches)) {
$aco = array(
'model' => $matches[1],
'foreign_key' => $matches[2],
);
}
$action = null;
if (isset($this->args[2])) {
$action = $this->args[2];
if ($action == '' || $action == 'all') {
$action = '*';
}
}
return compact('aro', 'aco', 'action');
}
/**
* Build data parameters based on node type
*
* @param string $type Node type (ARO/ACO)
* @return array Variables
* @access private
*/
function __dataVars($type = null) {
if ($type == null) {
$type = $this->args[0];
}
$vars = array();
$class = ucwords($type);
$vars['secondary_id'] = (strtolower($class) == 'aro') ? 'foreign_key' : 'object_id';
$vars['data_name'] = $type;
$vars['table_name'] = $type . 's';
$vars['class'] = $class;
return $vars;
}
}
?>